M80C286 데이터 시트보기 (PDF) - Intel

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M80C286

HIGH PERFORMANCE CHMOS MICROPROCESSOR WITH MEMORY MANAGEMENT AND PROTECTION

Intel 

M80C286

Two-operand instructions (e g MOV and ADD) are

usually three to six bytes long Memory to memory

operations are provided by a special class of string

instructions requiring one to three bytes For de-

tailed instruction formats and encodings refer to the

instruction set summary at the end of this document

For detailed operation and usage of each instruc-

tion see Appendix B of the 80286 80287 Program-

mer’s Reference Manual (Order No 210498)

Table 2 Instruction Set

GENERAL PURPOSE

MOV

Move byte or word

PUSH

Push word onto stack

POP

Pop word off stack

PUSHA

Push all registers on stack

POPA

Pop all registers from stack

XCHG

Exchange byte or word

XLAT

Translate byte

INPUT OUTPUT

IN

Input byte or word

OUT

Output byte or word

ADDRESS OBJECT

LEA

Load effective address

LDS

Load pointer using DS

LES

Load pointer using ES

FLAG TRANSFER

LAHF

Load AH register from flags

SAHF

Store AH register in flags

PUSHF

Push flags onto stack

POPF

Pop flags off stack

Data Transfer Instructions

MOVS

Move byte or word string

INS

Input bytes or word string

OUTS

Output bytes or word string

CMPS

Compare byte or word string

SCAS

Scan byte or word string

LODS

Load byte or word string

STOS

Store byte or word string

REP

Repeat

REPE REPZ

Repeat while equal zero

REPNE REPNZ

Repeat while not equal not zero

String Instructions

ADD

ADC

INC

AAA

DAA

SUB

SBB

DEC

NEG

CMP

AAS

DAS

MUL

IMUL

AAM

DIV

IDIV

AAD

CBW

CWD

ADDITION

Add byte or word

Add byte or word with carry

Increment byte or word by 1

ASCII adjust for addition

Decimal adjust for addition

SUBTRACTION

Subtract byte or word

Subtract byte or word with borrow

Decrement byte or word by 1

Negate byte or word

Compare byte or word

ASCII adjust for subtraction

Decimal adjust for subtraction

MULTIPLICATION

Multiple byte or word unsigned

Integer multiply byte or word

ASCII adjust for multiply

DIVISION

Divide byte or word unsigned

Integer divide byte or word

ASCII adjust for division

Convert byte to word

Convert word to doubleword

Arithmetic Instructions

NOT

AND

OR

XOR

TEST

SHL SAL

SHR

SAR

ROL

ROR

RCL

RCR

LOGICALS

‘‘Not’’ byte or word

‘‘And’’ byte or word

‘‘Inclusive or’’ byte or word

‘‘Exclusive or’’ byte or word

‘‘Test’’ byte or word

SHIFTS

Shift logical arithmetic left byte or word

Shift logical right byte or word

Shift arithmetic right byte or word

ROTATES

Rotate left byte or word

Rotate right byte or word

Rotate through carry left byte or word

Rotate through carry right byte or word

Shift Rotate Logical Instructions

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